What is the driving distance between Tucson and lake havasu?

315 miles

1. Take I-10 WEST, from Tucson, to SR-95 NORTH to PARKER at EXIT 19, via the PHOENIX BYPASS ROUTE to bypass Phoenix (I-8 WEST [EXIT 199 off I-10] to SR-85 NORTH [EXIT 119 off I-8] back to I-10 WEST towards LOS ANGELES).
2. Take SR-95 NORTH to Lake Havasu City.